50025539999 has 4 divisors (see below), whose sum is σ = 50390690064. Its totient is φ = 49660389936.

The previous prime is 50025539933. The next prime is 50025540011. The reversal of 50025539999 is 99993552005.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50025539999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50025539699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182574827 + ... + 182575100.

It is an arithmetic number, because the mean of its divisors is an integer number (12597672516).

Almost surely, 2^50025539999 is an apocalyptic number.

50025539999 is a deficient number, since it is larger than the sum of its proper divisors (365150065).

50025539999 is a wasteful number, since it uses less digits than its factorization.

50025539999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365150064.

The product of its (nonzero) digits is 4920750, while the sum is 56.

The spelling of 50025539999 in words is "fifty billion, twenty-five million, five hundred thirty-nine thousand, nine hundred ninety-nine".